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If you want to look cool, try smiling, researchers suggest. Their advice counters the popular belief that showing no expression is the way to be cool. The University of Arizona researchers asked volunteers to look at clothing ad photos in which models were either smiling or not, and to give the model a coolness rating.…  read on >

Along with flashlights, sleeping bags and bug repellent, many kids will take a smartphone to camp this summer. But this could ruin their camp experience, a new study suggests. Researchers surveyed 620 camp directors, nurses and other staff members at 331 camps in the United States and Canada. Many said campers were so fixated on…  read on >

Sandwiches make convenient lunches, but those two slices of bread can really eat into your day’s calorie allotment. What’s more, typical white bread doesn’t provide much in the way of nutrients. If you’re trying to cut down on carbs, go gluten-free, or simply reduce your intake of refined grains, try these tasty alternatives. Bonus: You…  read on >

Depression in the man may reduce the chances that a couple struggling with infertility will ultimately conceive, new research suggests. Depression among women was not linked to lower conception rates, the study authors said. But women being treated for infertility who also took a type of antidepressant known as non-selective serotonin reuptake inhibitors (non-SSRIs) were…  read on >

Colder weather may raise the risk for a heart attack, a preliminary study suggests. Researchers in Taiwan found that heart attack rates fluctuated seasonally, with more occurring in winter than summer. When the temperature fell below 59 degrees Fahrenheit, heart attacks increased dramatically, the study authors said. “When the temperature drops, people at high risk…  read on >

A newer type of cancer treatment may offer the chance of longer survival, but the drugs could also trigger new side effects, such as vision problems. New research reports on three cases of a potentially vision-threatening eye condition called uveal effusion that patients developed after taking cancer immunotherapy. Immunotherapy uses a person’s own immune system…  read on >

The millions of Americans who suffer from migraine may have a new source of hope — the first drug aimed at preventing the headaches gained U.S. Food and Drug Administration approval on Thursday. Researchers have found that the injected drug, called Aimovig (erenumab), can prevent migraines if other treatments have failed to do so. “Aimovig…  read on >

Daily chores give a child a sense of responsibility and help the child understand that life is a mix of work and play, the American Academy of Pediatrics says. Chores should be appropriate for the child’s age, such as cleaning the room, making the bed and clearing the table, the physician group says. The AAP…  read on >

Periodic limb movementsare repetitive movements that typically occur in the lower limbs every 20-40 seconds during sleep, the National Sleep Foundation says. The actions may resemble muscle twitches, jerking movements or upward flexing of the feet. Episodes of periodic limb movement syndrome (PLMS) can last from a few minutes to a few hours. While the…  read on >

As if older women didn’t already worry enough about their bone health, new research suggests that anxiety may up their risk for fractures. Based on an analysis involving almost 200 postmenopausal Italian women, the finding builds upon previous research linking anxiety to a higher risk for heart disease and gastrointestinal problems. “Our findings are quite…  read on >